/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package app.metatron.discovery.prep.parser.preparation.rule.expr;

import org.apache.commons.lang3.StringUtils;

public class RegularExpr implements Expr {

  private final String value;

  public RegularExpr(String value) {
    this.value = value.substring(1, value.length()).trim();
  }

  public String getValue() {
    return value;
  }

  public String getEscapedValue() {
    return StringUtils.substring(value, 1, value.length() - 1);
  }

  @Override
  public String toString() {
    return value;
  }

  @Override
  public ExprEval eval(NumericBinding bindings) {
    return ExprEval.bestEffortOf(bindings.get(value));
  }

}
